suffering from the effect of overmasturbation tremendously

i am 26 , male, unmarried, just completed msc in last tear, suffering from effect of overmasturbation tremendously. i have been suffering from this problem for last 4 years. in last two years, i have reduced the masturbation , about 2 -3 times per week,(though sometimes it becomes 6-7 per week), but the effects of overmasturbation not going from my body.
the problems are,

1) always having tremendous sexual arousal
2) tremendous stress and twitching over my eyes , neck, nose and ears together
3) frequent muscles twitching and soreness of whole body
4) when i wear inner, arousal is increased
7) sometimes pain in eye and forehead
8) sometimes internal jerking and shivering
9) sometimes blurred vision
10) loss of concentration and always underestimating myself
11) hurry in every work
12) i have stammering also
13) can't tolerate sound, and it makes me angry
14) gas and acidity problem always
15) sleep is not pretty good, always awake in dawn whenever i go to sleep on previous day
16) facial twitching
17) short tempered
18) can't talk to any kind of girl and feeling shy with palpitation in heart


i have visited vellore, tamilnadu, for this problem, but, doctors said there was no problem in me. they tested ecg, eeg, blood test hemoglobin, testosteron hormon, adrenal hormon, thyroid , but everything is normal. they only suggested me not to masturbate and problem would go automatically.
but, it has been 3 months, still whole problem persist in me. it has made my life miserable. now i thing coming in my mind, that is, i have to suicide.!

please help me doctor...
otherwise i have to suicide.